/Engine/Source/Runtime/Core/Public/Misc/ExpressionParserTypes.h
Construction from client expression data type
template<typename T> FExpressionNode ( T In, typename [TEnableIf](API\Runtime\Core\Templates\TEnableIf)<![TPointerIsConvertibleFromTo](API\Runtime\Core\Templates\TPointerIsConvertibleFromTo_1)< T, [FExpressionNode](API\Runtime\Core\Misc\FExpressionNode) >::Value >::Type * )